80322791 has 2 divisors, whose sum is σ = 80322792. Its totient is φ = 80322790.

The previous prime is 80322769. The next prime is 80322821. The reversal of 80322791 is 19722308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80322791 - 2¹⁸ = 80060647 is a prime.

It is a Chen prime.

It is equal to p_4687142 and since 80322791 and 4687142 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80322701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40161395 + 40161396.

It is an arithmetic number, because the mean of its divisors is an integer number (40161396).

Almost surely, 2^80322791 is an apocalyptic number.

80322791 is a deficient number, since it is larger than the sum of its proper divisors (1).

80322791 is an equidigital number, since it uses as much as digits as its factorization.

80322791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 80322791 is about 8962.2983101434. The cubic root of 80322791 is about 431.4656870805.

The spelling of 80322791 in words is "eighty million, three hundred twenty-two thousand, seven hundred ninety-one".